карьер тамбанг индонезия . карьер Бату Tengah. эксплораси тамбанг ди африк. Карьер kalimantan tengah Pt Kbk Mirah Gold Mining KBK has successfully developed and commissioned the Mirah Gold/Silver project in Central Kalimantan The operating model put in place at the Mirah mine, from construction through operations, is a full Owners ...